Marek Ondera, LMFT
NPI 1649401092 · Marriage & Family Therapist · Mill Valley, CA
Marek Ondera, LMFT is a Marriage & Family Therapist provider in Mill Valley, CA (NPI 1649401092).
Provider details
- NPI number
- 1649401092
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Male
- Sole proprietor
- No
- License
- MFC 53528 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-08-03
- Last updated
- 2016-11-01
Frequently asked questions
- What is Marek Ondera's NPI number?
- Marek Ondera's National Provider Identifier (NPI) is 1649401092, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marek Ondera's specialty?
- Marek Ondera is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Marek Ondera located?
- Marek Ondera's practice location on file with NPPES is 10 Willow St Ste 3, Mill Valley, CA 94941-2895.
- What is Marek Ondera's phone number?
- The practice phone number listed in the NPPES registry for Marek Ondera is (415) 450-8446.
- Is Marek Ondera's NPI active?
- Yes — Marek Ondera's NPI (1649401092) is active in the NPPES registry as of the last update on 2016-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.